منابع مشابه
Interactive free-form level-set surface-editing operators
We present a set of interactive, free-form editing operators for direct manipulation of level-set models that supports the creation and removal of surface detail. The mathematics, data structures and algorithms needed to implement numerous level-set modeling capabilities have been developed. The first component of these capabilities identifies the Region-of-Influence (ROI) on the surface to be ...
متن کاملInteractive Free-Form Level-Set Surface-Editing Operators
We present a set of interactive, free-form editing operators for direct manipulation of level-set models. The mathematics, algorithms and techniques needed to implement numerous level-set modeling capabilities have been developed. The operators have been combined with an OpenGL interface and the VISPACK level-set library to create a preliminary interactive level-set modeling system. VISPACK’s n...
متن کاملDetail-preserving level set surface editing and geometric texture transfer
Level set models may be interactively edited. Due to numerical dissipation and movements in the surface’s normal directions level set modifications smooth out surface details. In order to overcome this problem, we have developed techniques that identify surface details prior to level set surface changes and incorporate them back afterwards; thus providing a detail-preserving level set editing c...
متن کاملData structures for interactive high resolution level-set surface editing
This paper presents data structures that enable interactive editing of large-scale level-set surface models. The new approach utilizes spatial hashing to store a narrow band of voxels around the levelset interface, as well as a k-d tree to hold the model’s display points that lie on the surface itself. This sparse representation of voxels and surface points lets us create and modify high resolu...
متن کاملInteractive level-set smoothing for photo editing
This paper presents an interactive image-smoothing tool based on properlies and manipulation of image level sets. This tool uses PDE-based level-set smoothing to preserve edge sharpness while smoothing noise and jagged contours. Unlike existing approaches using PDEs. the duration and areas of application are controlled interactively with immediate feedback to the user. Interaction issues are ad...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: ACM Transactions on Graphics
سال: 2002
ISSN: 0730-0301,1557-7368
DOI: 10.1145/566654.566585